M29W128 View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

Manufacturer

M29W128

128 Mbit 3V Supply Flash Memory

Numonyx -> Micron 

M29W128FH, M29W128FL

Bus operations

Table 4. Block Protection, 8-bit mode

Address Inputs

Data Inputs/Outputs

Operation

(1)

E

G

W

RP

VPP/

WP

A22-

A12

A11-

A10

A9

A8-

A7

A6

A5- A3-

A4 A2

A1

A0

DQ15

A-1

DQ14

-DQ8

DQ7-DQ0

Verify

Extended

Memory

Block

Protection

Indicator

(bit DQ7)

VIL VIL VIH VIH VIH BA

VIH

X VID X VIL X VIL VIH

X

Verify Block

Protection

Status

Temporary

Block

Unprotect

(2)

X X X VID X

VIL

Valid

M29W128FH

88h (factory

locked)

08h (customer

lockable)

M29W128FL

98h (factory

locked)

18h (customer

Hi-Z lockable)

01h

(protected)

00h

(unprotected)

Data Input

1. X = VIL or VIH. BA any Address in the Block.

2. The RP pin unprotects all the blocks that have been previously protected using a High Voltage protection Technique.

Table 5. Bus operations, 16-bit mode

Operation(1)

E

G

W

RP

VPP/

WP

Bus Read

Bus Write

Output Disable

Standby

1. X = VIL or VIH.

VIL VIL VIH VIH VIH

VIL VIH VIL VIH VIH

X VIH VIH VIH VIH

VIH X X VIH VIH

Address Inputs

A22-A0

Cell Address

Command Address

X

X

Data Inputs/Outputs

DQ15A-1, DQ14-DQ0

Data Output

Data Input

Hi-Z

Hi-Z

19/78

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